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Zürn, A., Piotto, S. & Nesper, R. (2003). Teaching Chemistry: The Challenge to Visually Communicate Complex Systems. In A. Rossett (Ed.), Proceedings of E-Learn 2003--World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education (pp. 150-155). Phoenix, Arizona, USA: Association for the Advancement of Computing in Education (AACE).